https://citronics.eu/

Skip to content
CitronicsCitronics**

  * Solutions
  * Applications
  * About us
  * Contact

CitronicsCitronics**
Main Menu

  * Solutions
  * Applications
  * About us
  * Contact

Meet the world's firstCircular Microcomputers

The embedded computers powered by repurposed smartphone components.

Connected

4G LTE, WiFi, Ethernet & more

Powerful

multi-core CPU, GPU, Linux-based

Scalable

from 1 to 10 000 devices

 
Book a call!
 
Pre-order!

Free call with our experts! | Launch offer! 150EUR VAT excl.

Devkit CitronicsDevkit Citronics

How it works

From retired smartphones
to new computing norms

We are the only company in the world capable of transforming retired
smartphones into tiny embedded computers, at industrial scale.

[svg][citronics-step1-760x1024]
[svg][citronics-step2-760x1024]
[svg][citronics-step3-760x1024]
[svg][citronics-step4-760x1024]

Solutions - Products

Our refreshing computing solutions

A set of circular microcomputers powered by an open source
Linux-based OS and adapted to each of your product development
lifecycle.

Devkit CitronicsDevkit Citronics

DevKit

Your development & evaluation kit.

Benefits :

Education

Discover more about circular computing

Prototyping

Assess the fit with your next project needs

Custom microcomputers

Your customized & scalable embedded computer.

Benefits :

Integration

Reduce the size and improve the robustness of your design

Optimization

Costs & performance optimization for mass production

Custom microcomputersCustom microcomputers

Solutions - Services

From seeds to success : our support branch

A complete set of services supporting your product development and
its operationnal follow-up.

Graphics of cloud services monitoringGraphics of cloud services
monitoring

Cloud

Secured management, update and monitoring services

Benefits :

Time-to-market acceleration

Update your algorithms in the field, while learning about your
market.

Operational supervision

Monitor your deployed products and get early warnings of performance
deviations

Engineering

Training & coaching from our technical experts

Benefits :

Team efficiency

Shorten your team learning curve thanks to our expert coaching.

Cost effectiveness

Rely on our engineering experience to ensure your product is
optimized for your need.

Team of guys talking around a desk with a computerTeam of guys
talking around a desk with a computer

Applications

A flavor for every taste

Here are some of our most iconic use-cases, brought to life with our
partners. And you, how would you take advantage of a Citronics DevKit
? Let us know!

Residential monitoringResidential monitoring

Energy | IoT

A residential heating optimization box

Destore needed to quickly monitor residential heat production systems
in order to model and optimize their behaviour.

Citronics provided hardware and helped speeding-up the prototypes
development.
Destore gained deep insights into their market and they're now on
track for a Citronics-based product series.
Image annotationImage annotation

Education | Edge computing

An image recognition cluster at the edge

UCLouvain's software engineering professors were looking for
sustainable computing platforms for their classes.

Citronics provided them the resources to assemble circular computing
clusters.
Students developed a circular & scalable computing cluster capable of
image recognition at a competitive cost
[svg][RdI_tableau]

Industry | Automation

A monitoring & control gateway for district heating

Karno needs reliable monitoring and control gateways to remotely and
securely operate their district heating networks.

Karno developed their custom gateway taking advantage of Citronics
technologies.
Karno enjoys now a cost effective product in line with its
performance requirements, quickly adaptable to each network
specificity.
[svg][large-modular-display-citronics-2]

Events & fairs | display

A display made of 25 synchronized screens

Companies often have a hard time communicating around their
sustainability engagement while avoiding green-washing buzz words

Citronics provides synchronized streaming displays that can be placed
on objects.
Artists and companies use them today to create immersive digital
experience inspiring sustainability, using repurposed screens.

COMPANIES THAT TRUST US 

[svg][UCLouvain_]
ATLRATLR
BevertBevert
FairphoneFairphone
Deutsche TelekomDeutsche Telekom
BilmoBilmo
DauremaDaurema
[svg][destore-30]
[svg][Karno]

Squeeze the essence of Citronics

[svg][picto-]

Competitive

Unique performance-to-cost ratio.

Cheaper than conventional solutions
Performance in line with brand new mid-range electronics
[svg][picto-]

Time-to-market

Develop - Deploy - Assess - Repeat.

Standardized, mainstream hardware interfaces
Popular, open source software frameworks support
[svg][picto-]

Supply

No dependency on Asian suppliers, no risk of shortage, no long lead
times.

Local supply
Direct availability
[svg][picto-]

Branding

Position your product as your market sustainability leader.

Be the "World's First" circular smart device in your market
Improve your sustainability report by ~17,71 kg CO2 eq. per device
deployed

Curious? Doubtful? Excited?

Reach out

 
Contact us !

Check it

 
Book a call !

Get it

 
Pre-order !

[svg][citronics-logo-vertic]

Meet us

Rue du marais, 49
1000 Brussels
Belgium

Contact us

+32 485 73 76 02
info@citronics.eu

Follow us

  * LinkedIn

Join our mailing list
[svg][logo-wallo]
[svg][logo-Funde]

Citronics is a trademark of Swarn SRL. Copyright (c) 2025 Swarn SRL.
All rights reserved. | Privacy policy - Legal notice